package reflection;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

/**
 * @Auther: xiaofei
 * @Date: 2021/6/30 - 06 - 30 - 11:37
 * @Description: reflection
 * @version: 1.0
 */
public class Test08 {
    public static void main(String[] args) throws Exception {
        Class c1 = Class.forName("reflection.User");

        //获得类的名字
        System.out.println("c1.getName() = " + c1.getName());
        System.out.println(c1.getSimpleName());//获得类名

        //获得类的属性
        System.out.println("================");
        Field[] fields = c1.getFields(); //只能找到public属性

        fields = c1.getDeclaredFields();//找到全部属性
        for(Field field : fields){
            System.out.println(field);
        }
        
        //获得指定属性的值
        Field name = c1.getDeclaredField("name");
        System.out.println(name);

        //获得类的方法
        System.out.println("================");
        Method[] methods = c1.getMethods();//获得本类及其父类的全部public方法
        for(Method method : methods){
            System.out.println("正常的："+method);
        }
        methods = c1.getDeclaredMethods();//获得本类的所有方法
        for(Method method : methods){
            System.out.println("getDeclaredMethods："+method);
        }

        //获得指定方法
        //重载
        Method getName = c1.getMethod("getName", null);
        Method setName = c1.getMethod("setName", String.class);
        System.out.println(getName);
        System.out.println(setName);

        //获得指定的构造器
        System.out.println("================");
        Constructor[] constructors = c1.getConstructors();
        for (Constructor constructor : constructors) {
            System.out.println(constructor);
        }
        constructors = c1.getDeclaredConstructors();
        for (Constructor constructor : constructors) {
            System.out.println("#-->"+constructor);
        }
        Constructor declaredConstructor = c1.getDeclaredConstructor(String.class, int.class, int.class);
        System.out.println("指定的："+declaredConstructor);
    }
}
